Shuttle



Dec. 26, 1933, 1.. PAVIA 1,941,317

SHUTTLE Filed Jan. 17, 1933 WITNESSES I 2WD Q B Patented Dec. 26, 1933 UNITED sTATes I SHUTTLE Luigi ram, Allentown, Pa. Application January 17, 1933.- Serial No. 652,208

5 mas (01. 139-298) I This invention relates to shuttles and has for surface 12 of the bottom 13 of the shuttle body 1. an object to provide an improved construction This, of course, is objectionable as the yarn will wherein the conventional appearing shuttle is not feed readily from the spindle. To prevent provided but means are associated therewith this and to maintain the spindle always posiwhich may be adjusted from time to time for tioned centrally as showninFigure 2, the spindle 60% holding the spindle always in a central position. stop 9 has been provided positioned to rest against Another object is to provide a shuttle wherein the shoulder 10. When the parts have become substantially the usual type of spindle is used but worn slightly the spindle 6 begins to drop downmeans are associated therewith which will not wardly, and stop 9 is removed and the parts ad- 10 interfere with the usual action thereof but will justed as shown in Figure 4. The stop is then 66' prevent the spindle from moving downwardly to put back into position. the bottom of the shuttle body. From-Figure 4 it will be seen that stop 9 consists A further object, more specifically, is to proof plates 14 and 15, plate 14 having teeth 16. on vide an'adjustable stop removably located in 2. its upper surface, and plate 15 having teeth on .15, shuttle near one end thereof for limiting the its lower surface. Teeth 16 and 17 are adapted 70v downward or inward swinging movement of the to continually mesh so that the screw 18 will rigspindle, the adjustability' of the device taking idly hold the plates together. It will be noted 7 care of the wear onthe respective parts. that the screw 18 exends through the slot 19 so In the accompanyingdrawingthat the plates may be readily adjusted to a con- 20 Figure 1 is a top plan view of a shuttle dis- ,siderable extent. By this adjustment the eifeo- 76.-

125 spindle stop shown in Figure 2;

closing an embodiment of the invention; tive length of the stop 9 is varied, and this varia- Figure 2 is an enlarged sectional view through tion or additional length causes the stop 9 to en- Figure 1 on the line 2-2; gage shoulder 8 in a way to hold the spindle 6 Figure 3 is a perspective view of the adjustable centrally.

, I When moving the stop 9 a screw driver or other 80 Figure 4 is an enlarged sectional view through tool may be inserted through the slot .2 and the Figure 3 approximately on the line 4-4; the same stop engaged and forced to the left as viewed in illustrating how the respective parts may be ad- Figure 2; By adjusting the plates of stop 9 from justed. time to time the spindle 6 may be maintained in Referring to the accompanying drawing by I asubstantially central position continually, and .85. numerals, 1 indicates a shuttle body of substanthus the owner of the shuttle will get much more tially the usual structure, except that it is prowear out of the same than heretofore. vided with a slot 2 for the reception of a tool as I claim; hereinafter fully described. The shuttle body 1 1'. In a shuttle provided with a spindle, of a is provided t t u a sp 3 p ratin th stop plate movable longitudinally of the shuttle 90: headed p 4 Which acts on the ead ,5 f h adapted to limit the angle of swinging movement spindle 6 to hold the spindle in its close'd posiof the spindle, and means for locking-said plate tion, as shown in full lines in Figure 2, or in its indifferent positions. 7 open position as shown in dotted lines in Figure 2. 2. In a shuttle provided with a body having a 4 0; The head 5 is of the usual construction except shoulder and a pivotally mounted spindle having 95?,

that there is a cutaway portion .7 resulting in a a head, said head being provided witha shoulder, shoulder 8 against which the spindle stop'9 acts. of an adjustable stop carried within said body. T e body 1 is u w y at 10 for reeeivihg the with one end normally resting against the shoulstop 9 which is preferably substantially rectanguder of the body and the other against the shoulder 1ar when the-parts'are as shown in Figures 2 of said head, said stop comprisinga pair of plates 1,00 and 3. v p 7 adjustable longitudinally of the shuttle and means The p 9 iS slid intO position y o gi inal for locking the plates together to prevent indemovement from the opening 11 toward the end pendent movement thereof. a of the shuttle. When the parts are new they are 3 A h ttl including a b spindle pivotarra ed as Shown inFigure During the ally mounted in the body, said spindle being 10.5

operation of the shuttle the parts become more or formed with a head having a shoulder, a spindle less worn and the spring 3 in order to function stop arranged within said body and positioned properly is made rather strong, so that'ordinarily with one end resting against part of the body and the spindle 6 would gradually takea lower and the other resting against said shoulder, said lower position until it would strike the inside spindle stop being formed of a plurality of plates 11! 5. In a shuttle, a spindle stop comprising a pair of plates each plate being provided with a serrated surface, said surfaces being arranged in engagement, one of said plates having a threaded aperture and the other of said plates having a slot, a screw extending through said slot into said threaded aperture for clamping said plates together.

LUIGI PAVIA. 

